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Fertility of Soils

A Future for Farming in the West African Savannah

  • Book
  • © 1992

Overview

Authors:
  1. Christian J. M. G. Pieri

    1. CIRAD, Montpellier Cedex 1, France

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Part of the book series: Springer Series in Physical Environment (SSPENV, volume 10)

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Table of contents (33 chapters)

  1. Front Matter

    Pages I-XVIII
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  2. General Introduction

    1. Front Matter

      Pages 1-1
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    2. Scope of the Study

      • Christian J. M. G. Pieri
      Pages 3-9

  3. Fertility and Agricultural Development

    1. Front Matter

      Pages 11-11
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    2. Definition of Fertility

      • Christian J. M. G. Pieri
      Pages 13-17

    3. The Farming Environment

      • Christian J. M. G. Pieri
      Pages 18-31

    4. Population and Migration

      • Christian J. M. G. Pieri
      Pages 32-41

    5. Agricultural Policy

      • Christian J. M. G. Pieri
      Pages 42-46

  4. Present Fertility Status

    1. Front Matter

      Pages 47-47
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    2. Crop Yields in Recent Times

      1. National Yield Trends
        • Christian J. M. G. Pieri
        Pages 49-60
      2. Yields in Project Areas
        • Christian J. M. G. Pieri
        Pages 61-70
      3. Summary: Moderate Yields Giving Concern for the Future
        • Christian J. M. G. Pieri
        Pages 71-71

    3. The Development of Soils Under Cropping in Practical Farming

      1. Soil Development Under Traditional Farming
        • Christian J. M. G. Pieri
        Pages 75-83
      2. The Effect of Population Growth on the Soil
        • Christian J. M. G. Pieri
        Pages 84-99
      3. Agricultural Intensification and Its Consequences for the Management of Soil Fertility
        • Christian J. M. G. Pieri
        Pages 100-111
      4. Summary of Part II
        • Christian J. M. G. Pieri
        Pages 112-115

  5. Experimental Bases of Sustainability

    1. Front Matter

      Pages 117-117
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    2. Sustainable Yields

      • Christian J. M. G. Pieri
      Pages 119-123

    3. The Ecological Approach

      1. Farming and Physical Degradation of the Soils
        • Christian J. M. G. Pieri
        Pages 127-131
      2. Root Development of Crops and Biological Imbalance in Soils
        • Christian J. M. G. Pieri
        Pages 132-145
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Keywords

About this book

Can a continuous growth of agriculture be achieved in the sub-Sahara region without inducing irreversible damage to the ecosystem? Until now, doubts have been expressed as to the actual capacity of the soils to sustain a desirable increase of production which can match the requirements of a fast-growing population. Thirty years of investigation and a renewed comprehensive interpretation of research data on soil fertility show that a sustainable agriculture growth could be a practical possibility in a savannah region.

Authors and Affiliations

  • CIRAD, Montpellier Cedex 1, France

    Christian J. M. G. Pieri

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